Home / 117,330.64-161,917.44-63,615.52

Finding the Fourth Proportional to 117,330.64, 161,917.44 and 63,615.52

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Solution

The fourth proportional to 117,330.64, 161,917.44 and 63,615.52 is: 87,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,330.64 : 161,917.44 = 63,615.52 : x
  2. Step 2: Convert to fraction form
    117,330.64/161,917.44 = 63,615.52/x
  3. Step 3: Cross multiply
    117,330.64x = 161,917.44 × 63,615.52
  4. Step 4: Simplify right side
    117,330.64x = 10,300,462,142.67
  5. Step 5: Solve for x
    x = 10,300,462,142.67/117,330.64
  6. Step 6: Final answer
    x = 87,790.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.